ACCUMULATED OTHER COMPREHENSIVE INCOME - STATEMENT OF AOCI (Details) - USD ($) $ in Millions |
12 Months Ended | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2014 |
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| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | $ (12,780) | $ (7,662) | ||||||||||||||||
| Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | (3,463) | [1] | (5,496) | [2] | ||||||||||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [4] | 336 | [3] | 378 | [5],[6] | |||||||||||||
| Other Comprehensive Income (Loss), Net of Tax | (3,127) | (5,118) | $ (163) | |||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | (15,907) | (12,780) | (7,662) | |||||||||||||||
| Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | (2,642) | (3,876) | ||||||||||||||||
| Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | (103) | [1] | 1,390 | [2] | ||||||||||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [4] | 104 | [3] | (156) | [6] | |||||||||||||
| Other Comprehensive Income (Loss), Net of Tax | 1 | 1,234 | ||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | (2,641) | (2,642) | (3,876) | |||||||||||||||
| Accumulated Net Investment Gain (Loss) Attributable to Parent | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | 6 | (18) | ||||||||||||||||
| Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 29 | [1] | 26 | [2] | ||||||||||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [4] | (1) | [3] | (2) | [6] | |||||||||||||
| Other Comprehensive Income (Loss), Net of Tax | 28 | 24 | ||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | 34 | 6 | (18) | |||||||||||||||
| Pension Plan | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | (4,321) | (5,165) | ||||||||||||||||
| Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | (1,710) | [1] | 563 | [2] | ||||||||||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [4] | 233 | [3] | 281 | [6] | |||||||||||||
| Other Comprehensive Income (Loss), Net of Tax | (1,477) | 844 | ||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | (5,798) | (4,321) | (5,165) | |||||||||||||||
| Foreign Currency Gain (Loss) | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] | ||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | (5,823) | 1,397 | ||||||||||||||||
| Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | (1,679) | [1] | (7,475) | [2] | ||||||||||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | [4] | 0 | [3] | 255 | [5],[6] | |||||||||||||
| Other Comprehensive Income (Loss), Net of Tax | (1,679) | (7,220) | ||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax | $ (7,502) | $ (5,823) | $ 1,397 | |||||||||||||||
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